Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, May 20, 2025: This story, originally published May 19, ...

If you use a four-digit PIN number, your personal code may not be as secure as you think. PIN codes are commonly used to unlock iPhone or Android devices, access online banking, get cash out of an ATM ...

Update, May 26, 2025: This story, originally published May 24, has been updated with a brief history of PIN codes, information regarding the most secure codes you can use and why 8068 really isn’t the ...

The iPhone offers strong end-to-end encryption for all your data, and that's a great feature to have on the most important computer in your life. But that encryption is only as good as the PIN or ...